名词
中文翻译：涡旋轴
同义词：
['vortex axis', 'helical axis']
例句：
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1.The eddy axis is the central axis of the vortex, which is responsible for the rotation of the fluid.
涡旋轴是涡流的中心轴，它负责流体的旋转。
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2. In this case, the eddy axis is the line that connects the two points where the vortex starts and ends.
在这种情况下，涡旋轴是连接涡旋开始和结束的两个点的线。
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3.The eddy axis plays a crucial role in determining the direction and speed of the flow in a fluid.
涡旋轴在决定流体流动的方向和速度方面起着至关重要的作用。